Posted: March 13th, 2017
A 4 – 20 mA signal is sent to a 12-bit Modicon PLC input card, which in turn, sends this to a SCADA. If the signal happens to be 14.25 mA, calculate the following:
a. What percentage of 0 – 100% will this represent? b. What value would this have on the PLC (remember, it is a 12-bit card)? c. If we are displaying a value of 0 – 350 kPa, what value would be displayed on the SCADA screen?
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